#include<stdio.h>
#include<vector>
#include<unistd.h>


//描述匿名管道
class pipeline
{
pipeline(int fd, pid_t pid)
  :_fd(fd)
  ,_   pid
{  
}
  public:

    int _fd //文件描述符

    pid_t _pid //子进程pid
}

//创建进程池


int main()
{




  return 0;
}
